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20212210230 = 2353798772027
BaseRepresentation
bin10010110100101111…
…011101101000110110
31221011121211122221220
4102310233131220312
5312343311211410
613141345451210
71313606644422
oct226457355066
957147748856
1020212210230
1186322a1783
123b01040b06
131ba1648814
14d9a565b82
157d46d8070
hex4b4bdda36

20212210230 has 64 divisors (see below), whose sum is σ = 48716778240. Its totient is φ = 5366922624.

The previous prime is 20212210229. The next prime is 20212210259. The reversal of 20212210230 is 3201221202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9970477 + ... + 9972503.

It is an arithmetic number, because the mean of its divisors is an integer number (761199660).

Almost surely, 220212210230 is an apocalyptic number.

20212210230 is an abundant number, since it is smaller than the sum of its proper divisors (28504568010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212210230 is a wasteful number, since it uses less digits than its factorization.

20212210230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20212210230 its reverse (3201221202), we get a palindrome (23413431432).

The spelling of 20212210230 in words is "twenty billion, two hundred twelve million, two hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 379 758 877 1137 1754 1895 2027 2274 2631 3790 4054 4385 5262 5685 6081 8770 10135 11370 12162 13155 20270 26310 30405 60810 332383 664766 768233 997149 1536466 1661915 1777679 1994298 2304699 3323830 3555358 3841165 4609398 4985745 5333037 7682330 8888395 9971490 10666074 11523495 17776790 23046990 26665185 53330370 673740341 1347480682 2021221023 3368701705 4042442046 6737403410 10106105115 20212210230